I did found the article here
http://kb.odin.com/en/9370
and I did the change at my.cnf
then I did run the command #
/usr/local/psa/bin/sw-engine-pleskrun /usr/local/psa/admin/plib/DailyMaintainance/script.php
after 10 minutes I see in the screen:
[new_unode] Warning: String exceeds storage size (535)
[new_unode] Warning: String exceeds storage size (534)
[new_unode] Warning: String exceeds storage size (533)
[new_unode] Warning: String exceeds storage size (532)
[new_unode] Warning: String exceeds storage size (531)
[new_unode] Warning: String exceeds storage size (530)
[new_unode] Warning: String exceeds storage size (529)
[new_unode] Warning: String exceeds storage size (528)
[new_unode] Warning: String exceeds storage size (527)
[new_unode] Warning: String exceeds storage size (526)
[new_unode] Warning: String exceeds storage size (525)
[new_unode] Warning: String exceeds storage size (524)
[new_unode] Warning: String exceeds storage size (523)
[new_unode] Warning: String exceeds storage size (522)
[new_unode] Warning: String exceeds storage size (521)
[new_unode] Warning: String exceeds storage size (520)
[new_unode] Warning: String exceeds storage size (519)
[new_unode] Warning: String exceeds storage size (518)
[new_unode] Warning: String exceeds storage size (517)
[new_unode] Warning: String exceeds storage size (516)
[new_unode] Warning: String exceeds storage size (515)
[new_unode] Warning: String exceeds storage size (514)
[new_unode] Warning: String exceeds storage size (513)
[new_unode] Warning: String exceeds storage size (512)
[new_unode] Warning: String exceeds storage size (511)
[new_unode] Warning: String exceeds storage size (510)
[new_unode] Warning: String exceeds storage size (509)
[new_unode] Warning: String exceeds storage size (508)
[new_unode] Warning: String exceeds storage size (507)
[new_unode] Warning: String exceeds storage size (506)
[new_unode] Warning: String exceeds storage size (505)
[new_unode] Warning: String exceeds storage size (504)
[new_unode] Warning: String exceeds storage size (503)
[new_unode] Warning: String exceeds storage size (502)
[new_unode] Warning: String exceeds storage size (501)
any idea what this is ?